Durable, precisionmade inflation fitting designed for reliable, leak performance Key benefits Longlasting construction: Onepiece brass molding made from selected copper material provides wear resistance and stable performance over time. Leakproof inflation: Builtin rubber ring creates a tight seal so you can inflate quickly without air loss or repeated adjustments. Easy handling and secure grip: Straightthread antiskid design with evenly machined threads prevents slipping and lets you attach and remove the fitting confidently. Simple fit: 9 mm (0.35 inch) diameter — compact size for straightforward installation and use. What this product solves Prevents air leaks during inflation, reducing wasted time and effort. Eliminates fragile or loose connectors that wear out or strip threads. Improves grip and control when connecting pumps or inflators, even in wet or oily conditions. Features at a glance Material: Brass (selected copper material), onepiece molding for durability Seal: Builtin rubber ring for enhanced sealing performance Thread: Straightthread antiskid design with precise, even threads Size: 9 mm / 0.35 inch in diameter (refer to product image for dimensional details) Finish and craftsmanship: Precision machining for consistent fit and function Practical use scenarios Inflate bicycle or scooter tires quickly and securely with a rigid, leak connection. Use with portable air compressors or hand pumps for inflating sports equipment, air mattresses, or inflatable toys while minimizing air loss. worn or damaged connectors on workshop inflators to restore reliable, repeatable inflation performance. Why choose this fitting Durable onepiece brass construction resists wear and reduces the chance of failure. Builtin sealing ring and precise threads deliver dependable, repeatable inflation without fiddling. Antiskid straightthread design improves ergonomics and lowers the risk of crossthreading. Technical specification Construction: Onepiece brass molding (selected copper material) Sealing: Builtin rubber ring Thread style: Straight thread, antiskid Diameter: 9 mm / 0.35 inch (see reference picture for details) Notes Confirm the 9 mm / 0.35 inch diameter suits your specific valve or connector before .